US Bridges

Sl 202 over Tunnel Outfall

Good

Maricopa County, Arizona · Under 202 Eb&wb Mainline · Structure no. 06970

Built
1992
33 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
86,846
2022 count
Owner
State
State Highway Agency

About this bridge

Sl 202 over Tunnel Outfall is a concrete continuous culvert carrying Sl 202 over Tunnel Outfall in Maricopa County, Arizona. It was built in 1992, so it is 33 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 86,846 vehicles a day, roughly 6% of them trucks, projected to reach 86,856 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSl 202
CrossesTunnel Outfall
LocationUnder 202 Eb&wb Mainline
RouteState Highway 101
StateArizona
Coordinates33.43389, -111.89036
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86,846 (2022)
Projected traffic86,856 by 2042
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sl 202 over Tunnel Outfall built?

It was built in 1992, making it 33 years old in 2025.

What condition is Sl 202 over Tunnel Outfall in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Sl 202 over Tunnel Outfall carry?

About 86,846 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Sl 202 over Tunnel Outfall?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Sl 202 over Tunnel Outfall?

It is owned by the State Highway Agency.